3 #define MAX_COMPARE_NAME 100
5 #define MAX_CMDLINE 1024
7 // the rates we are going to send to netdata
8 // will have this detail
10 // 1 will send just integer parts to netdata
11 // 100 will send 2 decimal points
12 // 1000 will send 3 decimal points
14 #define RATES_DETAIL 10000ULL
16 #define MAX_SPARE_FDS 1
21 unsigned long long global_iterations_counter = 1;
22 unsigned long long file_counter = 0;
23 int proc_pid_cmdline_is_needed = 0;
24 int include_exited_childs = 1;
25 char *config_dir = CONFIG_DIR;
27 pid_t *all_pids_sortlist = NULL;
29 // will be automatically set to 1, if guest values are collected
30 int show_guest_time = 0;
31 int show_guest_time_old = 0;
33 int enable_guest_charts = 0;
34 int enable_file_charts = 1;
35 int enable_users_charts = 1;
36 int enable_groups_charts = 1;
38 // ----------------------------------------------------------------------------
40 void netdata_cleanup_and_exit(int ret) {
45 // ----------------------------------------------------------------------------
47 // target is the structure that process data are aggregated
50 char compare[MAX_COMPARE_NAME + 1];
54 char id[MAX_NAME + 1];
57 char name[MAX_NAME + 1];
62 unsigned long long minflt;
63 unsigned long long cminflt;
64 unsigned long long majflt;
65 unsigned long long cmajflt;
66 unsigned long long utime;
67 unsigned long long stime;
68 unsigned long long gtime;
69 unsigned long long cutime;
70 unsigned long long cstime;
71 unsigned long long cgtime;
72 unsigned long long num_threads;
73 // unsigned long long rss;
75 unsigned long long statm_size;
76 unsigned long long statm_resident;
77 unsigned long long statm_share;
78 // unsigned long long statm_text;
79 // unsigned long long statm_lib;
80 // unsigned long long statm_data;
81 // unsigned long long statm_dirty;
83 unsigned long long io_logical_bytes_read;
84 unsigned long long io_logical_bytes_written;
85 // unsigned long long io_read_calls;
86 // unsigned long long io_write_calls;
87 unsigned long long io_storage_bytes_read;
88 unsigned long long io_storage_bytes_written;
89 // unsigned long long io_cancelled_write_bytes;
94 unsigned long long openfiles;
95 unsigned long long openpipes;
96 unsigned long long opensockets;
97 unsigned long long openinotifies;
98 unsigned long long openeventfds;
99 unsigned long long opentimerfds;
100 unsigned long long opensignalfds;
101 unsigned long long openeventpolls;
102 unsigned long long openother;
104 unsigned long processes; // how many processes have been merged to this
105 int exposed; // if set, we have sent this to netdata
106 int hidden; // if set, we set the hidden flag on the dimension
109 int starts_with; // if set, the compare string matches only the
110 // beginning of the command
112 struct target *target; // the one that will be reported to netdata
117 // ----------------------------------------------------------------------------
119 // aggregate all processes in groups, to have a limited number of dimensions
121 struct target *apps_groups_root_target = NULL;
122 struct target *apps_groups_default_target = NULL;
123 long apps_groups_targets = 0;
125 struct target *users_root_target = NULL;
126 struct target *groups_root_target = NULL;
128 static struct target *get_users_target(uid_t uid)
131 for(w = users_root_target ; w ; w = w->next)
132 if(w->uid == uid) return w;
134 w = callocz(sizeof(struct target), 1);
135 snprintfz(w->compare, MAX_COMPARE_NAME, "%u", uid);
136 w->comparehash = simple_hash(w->compare);
137 w->comparelen = strlen(w->compare);
139 snprintfz(w->id, MAX_NAME, "%u", uid);
140 w->idhash = simple_hash(w->id);
142 struct passwd *pw = getpwuid(uid);
144 snprintfz(w->name, MAX_NAME, "%u", uid);
146 snprintfz(w->name, MAX_NAME, "%s", pw->pw_name);
148 netdata_fix_chart_name(w->name);
152 w->next = users_root_target;
153 users_root_target = w;
156 fprintf(stderr, "apps.plugin: added uid %u ('%s') target\n", w->uid, w->name);
161 struct target *get_groups_target(gid_t gid)
164 for(w = groups_root_target ; w ; w = w->next)
165 if(w->gid == gid) return w;
167 w = callocz(sizeof(struct target), 1);
168 snprintfz(w->compare, MAX_COMPARE_NAME, "%u", gid);
169 w->comparehash = simple_hash(w->compare);
170 w->comparelen = strlen(w->compare);
172 snprintfz(w->id, MAX_NAME, "%u", gid);
173 w->idhash = simple_hash(w->id);
175 struct group *gr = getgrgid(gid);
177 snprintfz(w->name, MAX_NAME, "%u", gid);
179 snprintfz(w->name, MAX_NAME, "%s", gr->gr_name);
181 netdata_fix_chart_name(w->name);
185 w->next = groups_root_target;
186 groups_root_target = w;
189 fprintf(stderr, "apps.plugin: added gid %u ('%s') target\n", w->gid, w->name);
194 // find or create a new target
195 // there are targets that are just aggregated to other target (the second argument)
196 static struct target *get_apps_groups_target(const char *id, struct target *target, const char *name) {
197 int tdebug = 0, thidden = target?target->hidden:0, ends_with = 0;
198 const char *nid = id;
200 // extract the options
201 while(nid[0] == '-' || nid[0] == '+' || nid[0] == '*') {
202 if(nid[0] == '-') thidden = 1;
203 if(nid[0] == '+') tdebug = 1;
204 if(nid[0] == '*') ends_with = 1;
207 uint32_t hash = simple_hash(id);
209 // find if it already exists
210 struct target *w, *last = apps_groups_root_target;
211 for(w = apps_groups_root_target ; w ; w = w->next) {
212 if(w->idhash == hash && strncmp(nid, w->id, MAX_NAME) == 0)
218 // find an existing target
219 if(unlikely(!target)) {
220 while(*name == '-') {
221 if(*name == '-') thidden = 1;
224 for(target = apps_groups_root_target ; target ; target = target->next) {
225 if(!target->target && strcmp(name, target->name) == 0)
228 if(unlikely(debug)) {
230 fprintf(stderr, "apps.plugin: REUSING TARGET NAME '%s' on ID '%s'\n", target->name, target->id);
232 fprintf(stderr, "apps.plugin: NEW TARGET NAME '%s' on ID '%s'\n", name, id);
236 if(target && target->target)
237 fatal("Internal Error: request to link process '%s' to target '%s' which is linked to target '%s'", id, target->id, target->target->id);
239 w = callocz(sizeof(struct target), 1);
240 strncpyz(w->id, nid, MAX_NAME);
241 w->idhash = simple_hash(w->id);
243 if(unlikely(!target))
245 strncpyz(w->name, name, MAX_NAME);
248 strncpyz(w->name, nid, MAX_NAME);
250 strncpyz(w->compare, nid, MAX_COMPARE_NAME);
251 size_t len = strlen(w->compare);
252 if(w->compare[len - 1] == '*') {
253 w->compare[len - 1] = '\0';
256 w->ends_with = ends_with;
258 if(w->starts_with && w->ends_with)
259 proc_pid_cmdline_is_needed = 1;
261 w->comparehash = simple_hash(w->compare);
262 w->comparelen = strlen(w->compare);
268 // append it, to maintain the order in apps_groups.conf
269 if(last) last->next = w;
270 else apps_groups_root_target = w;
273 fprintf(stderr, "apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
275 , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact"))
276 , w->target?w->target->name:w->name
277 , (w->hidden)?"hidden":"-"
278 , (w->debug)?"debug":"-"
284 // read the apps_groups.conf file
285 static int read_apps_groups_conf(const char *file)
287 char filename[FILENAME_MAX + 1];
289 snprintfz(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, file);
292 fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
294 // ----------------------------------------
296 procfile *ff = procfile_open(filename, " :\t", PROCFILE_FLAG_DEFAULT);
299 procfile_set_quotes(ff, "'\"");
301 ff = procfile_readall(ff);
305 unsigned long line, lines = procfile_lines(ff);
307 for(line = 0; line < lines ;line++) {
308 unsigned long word, words = procfile_linewords(ff, line);
311 char *name = procfile_lineword(ff, line, 0);
312 if(!name || !*name) continue;
314 // find a possibly existing target
315 struct target *w = NULL;
317 // loop through all words, skipping the first one (the name)
318 for(word = 0; word < words ;word++) {
319 char *s = procfile_lineword(ff, line, word);
320 if(!s || !*s) continue;
323 // is this the first word? skip it
324 if(s == name) continue;
327 struct target *n = get_apps_groups_target(s, w, name);
329 error("Cannot create target '%s' (line %lu, word %lu)", s, line, word);
333 // just some optimization
334 // to avoid searching for a target for each process
335 if(!w) w = n->target?n->target:n;
341 apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL, "other"); // match nothing
342 if(!apps_groups_default_target)
343 fatal("Cannot create default target");
345 // allow the user to override group 'other'
346 if(apps_groups_default_target->target)
347 apps_groups_default_target = apps_groups_default_target->target;
353 // ----------------------------------------------------------------------------
354 // data to store for each pid
357 #define PID_LOG_IO 0x00000001
358 #define PID_LOG_STATM 0x00000002
359 #define PID_LOG_CMDLINE 0x00000004
360 #define PID_LOG_FDS 0x00000008
361 #define PID_LOG_STAT 0x00000010
365 char comm[MAX_COMPARE_NAME + 1];
366 char cmdline[MAX_CMDLINE + 1];
378 // these are raw values collected
379 unsigned long long minflt_raw;
380 unsigned long long cminflt_raw;
381 unsigned long long majflt_raw;
382 unsigned long long cmajflt_raw;
383 unsigned long long utime_raw;
384 unsigned long long stime_raw;
385 unsigned long long gtime_raw; // guest_time
386 unsigned long long cutime_raw;
387 unsigned long long cstime_raw;
388 unsigned long long cgtime_raw; // cguest_time
391 unsigned long long minflt;
392 unsigned long long cminflt;
393 unsigned long long majflt;
394 unsigned long long cmajflt;
395 unsigned long long utime;
396 unsigned long long stime;
397 unsigned long long gtime;
398 unsigned long long cutime;
399 unsigned long long cstime;
400 unsigned long long cgtime;
405 // int64_t itrealvalue;
406 // unsigned long long starttime;
407 // unsigned long long vsize;
408 // unsigned long long rss;
409 // unsigned long long rsslim;
410 // unsigned long long starcode;
411 // unsigned long long endcode;
412 // unsigned long long startstack;
413 // unsigned long long kstkesp;
414 // unsigned long long kstkeip;
417 // uint64_t sigignore;
418 // uint64_t sigcatch;
422 // int32_t exit_signal;
423 // int32_t processor;
424 // uint32_t rt_priority;
426 // unsigned long long delayacct_blkio_ticks;
431 unsigned long long statm_size;
432 unsigned long long statm_resident;
433 unsigned long long statm_share;
434 // unsigned long long statm_text;
435 // unsigned long long statm_lib;
436 // unsigned long long statm_data;
437 // unsigned long long statm_dirty;
439 unsigned long long io_logical_bytes_read_raw;
440 unsigned long long io_logical_bytes_written_raw;
441 // unsigned long long io_read_calls_raw;
442 // unsigned long long io_write_calls_raw;
443 unsigned long long io_storage_bytes_read_raw;
444 unsigned long long io_storage_bytes_written_raw;
445 // unsigned long long io_cancelled_write_bytes_raw;
447 unsigned long long io_logical_bytes_read;
448 unsigned long long io_logical_bytes_written;
449 // unsigned long long io_read_calls;
450 // unsigned long long io_write_calls;
451 unsigned long long io_storage_bytes_read;
452 unsigned long long io_storage_bytes_written;
453 // unsigned long long io_cancelled_write_bytes;
455 int *fds; // array of fds it uses
456 int fds_size; // the size of the fds array
458 int children_count; // number of processes directly referencing this
459 int keep; // 1 when we need to keep this process in memory even after it exited
460 int keeploops; // increases by 1 every time keep is 1 and updated 0
461 int updated; // 1 when the process is currently running
462 int merged; // 1 when it has been merged to its parent
463 int new_entry; // 1 when this is a new process, just saw for the first time
464 int read; // 1 when we have already read this process for this iteration
465 int sortlist; // higher numbers = top on the process tree
466 // each process gets a unique number
468 struct target *target; // app_groups.conf targets
469 struct target *user_target; // uid based targets
470 struct target *group_target; // gid based targets
472 unsigned long long stat_collected_usec;
473 unsigned long long last_stat_collected_usec;
475 unsigned long long io_collected_usec;
476 unsigned long long last_io_collected_usec;
478 char *fds_dirname; // the full directory name in /proc/PID/fd
481 char *statm_filename;
483 char *cmdline_filename;
485 struct pid_stat *parent;
486 struct pid_stat *prev;
487 struct pid_stat *next;
488 } *root_of_pids = NULL, **all_pids;
490 long all_pids_count = 0;
492 static inline struct pid_stat *get_pid_entry(pid_t pid) {
494 all_pids[pid]->new_entry = 0;
495 return all_pids[pid];
498 all_pids[pid] = callocz(sizeof(struct pid_stat), 1);
499 all_pids[pid]->fds = callocz(sizeof(int), MAX_SPARE_FDS);
500 all_pids[pid]->fds_size = MAX_SPARE_FDS;
502 if(root_of_pids) root_of_pids->prev = all_pids[pid];
503 all_pids[pid]->next = root_of_pids;
504 root_of_pids = all_pids[pid];
506 all_pids[pid]->pid = pid;
507 all_pids[pid]->new_entry = 1;
511 return all_pids[pid];
514 static inline void del_pid_entry(pid_t pid) {
516 error("attempted to free pid %d that is not allocated.", pid);
521 fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
523 if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next;
524 if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev;
525 if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next;
527 freez(all_pids[pid]->fds);
528 freez(all_pids[pid]->fds_dirname);
529 freez(all_pids[pid]->stat_filename);
530 freez(all_pids[pid]->statm_filename);
531 freez(all_pids[pid]->io_filename);
532 freez(all_pids[pid]->cmdline_filename);
533 freez(all_pids[pid]);
535 all_pids[pid] = NULL;
540 // ----------------------------------------------------------------------------
541 // update pids from proc
543 static inline int read_proc_pid_cmdline(struct pid_stat *p) {
545 if(unlikely(!p->cmdline_filename)) {
546 char filename[FILENAME_MAX + 1];
547 snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", global_host_prefix, p->pid);
548 p->cmdline_filename = strdupz(filename);
551 int fd = open(p->cmdline_filename, O_RDONLY, 0666);
552 if(unlikely(fd == -1)) goto cleanup;
554 ssize_t i, bytes = read(fd, p->cmdline, MAX_CMDLINE);
557 if(unlikely(bytes < 0)) goto cleanup;
559 p->cmdline[bytes] = '\0';
560 for(i = 0; i < bytes ; i++)
561 if(unlikely(!p->cmdline[i])) p->cmdline[i] = ' ';
564 fprintf(stderr, "Read file '%s' contents: %s\n", p->cmdline_filename, p->cmdline);
569 // copy the command to the command line
570 strncpyz(p->cmdline, p->comm, MAX_CMDLINE);
574 static inline int read_proc_pid_ownership(struct pid_stat *p) {
575 if(unlikely(!p->stat_filename)) {
576 error("pid %d does not have a stat_filename", p->pid);
580 // ----------------------------------------
584 if(stat(p->stat_filename, &st) != 0) {
585 error("Cannot stat file '%s'", p->stat_filename);
595 static inline int read_proc_pid_stat(struct pid_stat *p) {
596 static procfile *ff = NULL;
598 if(unlikely(!p->stat_filename)) {
599 char filename[FILENAME_MAX + 1];
600 snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", global_host_prefix, p->pid);
601 p->stat_filename = strdupz(filename);
604 int set_quotes = (!ff)?1:0;
606 ff = procfile_reopen(ff, p->stat_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
607 if(unlikely(!ff)) goto cleanup;
609 // if(set_quotes) procfile_set_quotes(ff, "()");
610 if(unlikely(set_quotes))
611 procfile_set_open_close(ff, "(", ")");
613 ff = procfile_readall(ff);
614 if(unlikely(!ff)) goto cleanup;
616 p->last_stat_collected_usec = p->stat_collected_usec;
617 p->stat_collected_usec = now_realtime_usec();
620 // p->pid = str2ul(procfile_lineword(ff, 0, 0+i));
622 if(unlikely(!p->comm[0]))
623 strncpyz(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME);
625 // p->state = *(procfile_lineword(ff, 0, 2));
626 p->ppid = (int32_t)str2ul(procfile_lineword(ff, 0, 3));
627 // p->pgrp = str2ul(procfile_lineword(ff, 0, 4));
628 // p->session = str2ul(procfile_lineword(ff, 0, 5));
629 // p->tty_nr = str2ul(procfile_lineword(ff, 0, 6));
630 // p->tpgid = str2ul(procfile_lineword(ff, 0, 7));
631 // p->flags = str2ull(procfile_lineword(ff, 0, 8));
633 unsigned long long last;
635 last = p->minflt_raw;
636 p->minflt_raw = str2ull(procfile_lineword(ff, 0, 9));
637 p->minflt = (p->minflt_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
639 last = p->cminflt_raw;
640 p->cminflt_raw = str2ull(procfile_lineword(ff, 0, 10));
641 p->cminflt = (p->cminflt_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
643 last = p->majflt_raw;
644 p->majflt_raw = str2ull(procfile_lineword(ff, 0, 11));
645 p->majflt = (p->majflt_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
647 last = p->cmajflt_raw;
648 p->cmajflt_raw = str2ull(procfile_lineword(ff, 0, 12));
649 p->cmajflt = (p->cmajflt_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
652 p->utime_raw = str2ull(procfile_lineword(ff, 0, 13));
653 p->utime = (p->utime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
656 p->stime_raw = str2ull(procfile_lineword(ff, 0, 14));
657 p->stime = (p->stime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
659 last = p->cutime_raw;
660 p->cutime_raw = str2ull(procfile_lineword(ff, 0, 15));
661 p->cutime = (p->cutime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
663 last = p->cstime_raw;
664 p->cstime_raw = str2ull(procfile_lineword(ff, 0, 16));
665 p->cstime = (p->cstime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
667 // p->priority = str2ull(procfile_lineword(ff, 0, 17));
668 // p->nice = str2ull(procfile_lineword(ff, 0, 18));
669 p->num_threads = (int32_t)str2ul(procfile_lineword(ff, 0, 19));
670 // p->itrealvalue = str2ull(procfile_lineword(ff, 0, 20));
671 // p->starttime = str2ull(procfile_lineword(ff, 0, 21));
672 // p->vsize = str2ull(procfile_lineword(ff, 0, 22));
673 // p->rss = str2ull(procfile_lineword(ff, 0, 23));
674 // p->rsslim = str2ull(procfile_lineword(ff, 0, 24));
675 // p->starcode = str2ull(procfile_lineword(ff, 0, 25));
676 // p->endcode = str2ull(procfile_lineword(ff, 0, 26));
677 // p->startstack = str2ull(procfile_lineword(ff, 0, 27));
678 // p->kstkesp = str2ull(procfile_lineword(ff, 0, 28));
679 // p->kstkeip = str2ull(procfile_lineword(ff, 0, 29));
680 // p->signal = str2ull(procfile_lineword(ff, 0, 30));
681 // p->blocked = str2ull(procfile_lineword(ff, 0, 31));
682 // p->sigignore = str2ull(procfile_lineword(ff, 0, 32));
683 // p->sigcatch = str2ull(procfile_lineword(ff, 0, 33));
684 // p->wchan = str2ull(procfile_lineword(ff, 0, 34));
685 // p->nswap = str2ull(procfile_lineword(ff, 0, 35));
686 // p->cnswap = str2ull(procfile_lineword(ff, 0, 36));
687 // p->exit_signal = str2ul(procfile_lineword(ff, 0, 37));
688 // p->processor = str2ul(procfile_lineword(ff, 0, 38));
689 // p->rt_priority = str2ul(procfile_lineword(ff, 0, 39));
690 // p->policy = str2ul(procfile_lineword(ff, 0, 40));
691 // p->delayacct_blkio_ticks = str2ull(procfile_lineword(ff, 0, 41));
693 if(enable_guest_charts) {
695 p->gtime_raw = str2ull(procfile_lineword(ff, 0, 42));
696 p->gtime = (p->gtime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
698 last = p->cgtime_raw;
699 p->cgtime_raw = str2ull(procfile_lineword(ff, 0, 43));
700 p->cgtime = (p->cgtime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
702 if (show_guest_time || p->gtime || p->cgtime) {
703 p->utime -= (p->utime >= p->gtime) ? p->gtime : p->utime;
704 p->cutime -= (p->cutime >= p->cgtime) ? p->cgtime : p->cutime;
709 if(unlikely(debug || (p->target && p->target->debug)))
710 fprintf(stderr, "apps.plugin: READ PROC/PID/STAT: %s/proc/%d/stat, process: '%s' on target '%s' (dt=%llu) VALUES: utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n", global_host_prefix, p->pid, p->comm, (p->target)?p->target->name:"UNSET", p->stat_collected_usec - p->last_stat_collected_usec, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads);
712 if(unlikely(global_iterations_counter == 1)) {
743 static inline int read_proc_pid_statm(struct pid_stat *p) {
744 static procfile *ff = NULL;
746 if(unlikely(!p->statm_filename)) {
747 char filename[FILENAME_MAX + 1];
748 snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", global_host_prefix, p->pid);
749 p->statm_filename = strdupz(filename);
752 ff = procfile_reopen(ff, p->statm_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
753 if(unlikely(!ff)) goto cleanup;
755 ff = procfile_readall(ff);
756 if(unlikely(!ff)) goto cleanup;
760 p->statm_size = str2ull(procfile_lineword(ff, 0, 0));
761 p->statm_resident = str2ull(procfile_lineword(ff, 0, 1));
762 p->statm_share = str2ull(procfile_lineword(ff, 0, 2));
763 // p->statm_text = str2ull(procfile_lineword(ff, 0, 3));
764 // p->statm_lib = str2ull(procfile_lineword(ff, 0, 4));
765 // p->statm_data = str2ull(procfile_lineword(ff, 0, 5));
766 // p->statm_dirty = str2ull(procfile_lineword(ff, 0, 6));
772 p->statm_resident = 0;
774 // p->statm_text = 0;
776 // p->statm_data = 0;
777 // p->statm_dirty = 0;
781 static inline int read_proc_pid_io(struct pid_stat *p) {
782 static procfile *ff = NULL;
784 if(unlikely(!p->io_filename)) {
785 char filename[FILENAME_MAX + 1];
786 snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", global_host_prefix, p->pid);
787 p->io_filename = strdupz(filename);
791 ff = procfile_reopen(ff, p->io_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
792 if(unlikely(!ff)) goto cleanup;
794 ff = procfile_readall(ff);
795 if(unlikely(!ff)) goto cleanup;
799 p->last_io_collected_usec = p->io_collected_usec;
800 p->io_collected_usec = now_realtime_usec();
802 unsigned long long last;
804 last = p->io_logical_bytes_read_raw;
805 p->io_logical_bytes_read_raw = str2ull(procfile_lineword(ff, 0, 1));
806 p->io_logical_bytes_read = (p->io_logical_bytes_read_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
808 last = p->io_logical_bytes_written_raw;
809 p->io_logical_bytes_written_raw = str2ull(procfile_lineword(ff, 1, 1));
810 p->io_logical_bytes_written = (p->io_logical_bytes_written_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
812 // last = p->io_read_calls_raw;
813 // p->io_read_calls_raw = str2ull(procfile_lineword(ff, 2, 1));
814 // p->io_read_calls = (p->io_read_calls_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
816 // last = p->io_write_calls_raw;
817 // p->io_write_calls_raw = str2ull(procfile_lineword(ff, 3, 1));
818 // p->io_write_calls = (p->io_write_calls_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
820 last = p->io_storage_bytes_read_raw;
821 p->io_storage_bytes_read_raw = str2ull(procfile_lineword(ff, 4, 1));
822 p->io_storage_bytes_read = (p->io_storage_bytes_read_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
824 last = p->io_storage_bytes_written_raw;
825 p->io_storage_bytes_written_raw = str2ull(procfile_lineword(ff, 5, 1));
826 p->io_storage_bytes_written = (p->io_storage_bytes_written_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
828 // last = p->io_cancelled_write_bytes_raw;
829 // p->io_cancelled_write_bytes_raw = str2ull(procfile_lineword(ff, 6, 1));
830 // p->io_cancelled_write_bytes = (p->io_cancelled_write_bytes_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
832 if(unlikely(global_iterations_counter == 1)) {
833 p->io_logical_bytes_read = 0;
834 p->io_logical_bytes_written = 0;
835 // p->io_read_calls = 0;
836 // p->io_write_calls = 0;
837 p->io_storage_bytes_read = 0;
838 p->io_storage_bytes_written = 0;
839 // p->io_cancelled_write_bytes = 0;
845 p->io_logical_bytes_read = 0;
846 p->io_logical_bytes_written = 0;
847 // p->io_read_calls = 0;
848 // p->io_write_calls = 0;
849 p->io_storage_bytes_read = 0;
850 p->io_storage_bytes_written = 0;
851 // p->io_cancelled_write_bytes = 0;
855 unsigned long long global_utime = 0;
856 unsigned long long global_stime = 0;
857 unsigned long long global_gtime = 0;
859 static inline int read_proc_stat() {
860 static char filename[FILENAME_MAX + 1] = "";
861 static procfile *ff = NULL;
862 static unsigned long long utime_raw = 0, stime_raw = 0, gtime_raw = 0, gntime_raw = 0, ntime_raw = 0;
863 static usec_t collected_usec = 0, last_collected_usec = 0;
866 snprintfz(filename, FILENAME_MAX, "%s/proc/stat", global_host_prefix);
867 ff = procfile_open(filename, " \t:", PROCFILE_FLAG_DEFAULT);
868 if(unlikely(!ff)) goto cleanup;
871 ff = procfile_readall(ff);
872 if(unlikely(!ff)) goto cleanup;
874 last_collected_usec = collected_usec;
875 collected_usec = now_realtime_usec();
879 unsigned long long last;
882 utime_raw = str2ull(procfile_lineword(ff, 0, 1));
883 global_utime = (utime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
885 // nice time, on user time
887 ntime_raw = str2ull(procfile_lineword(ff, 0, 2));
888 global_utime += (ntime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
891 stime_raw = str2ull(procfile_lineword(ff, 0, 3));
892 global_stime = (stime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
895 gtime_raw = str2ull(procfile_lineword(ff, 0, 10));
896 global_gtime = (gtime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
898 if(enable_guest_charts) {
899 // guest nice time, on guest time
901 gntime_raw = str2ull(procfile_lineword(ff, 0, 11));
902 global_gtime += (gntime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
904 // remove guest time from user time
905 global_utime -= (global_utime > global_gtime) ? global_gtime : global_utime;
908 if(unlikely(global_iterations_counter == 1)) {
924 // ----------------------------------------------------------------------------
926 // this is used to keep a global list of all open files of the system
927 // it is needed in order to calculate the unique files processes have open
929 #define FILE_DESCRIPTORS_INCREASE_STEP 100
931 struct file_descriptor {
933 #ifdef NETDATA_INTERNAL_CHECKS
935 #endif /* NETDATA_INTERNAL_CHECKS */
943 int all_files_len = 0;
944 int all_files_size = 0;
946 int file_descriptor_compare(void* a, void* b) {
947 #ifdef NETDATA_INTERNAL_CHECKS
948 if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
949 error("Corrupted index data detected. Please report this.");
950 #endif /* NETDATA_INTERNAL_CHECKS */
952 if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
955 else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
959 return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
962 int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
964 avl_tree all_files_index = {
966 file_descriptor_compare
969 static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
970 struct file_descriptor tmp;
971 tmp.hash = (hash)?hash:simple_hash(name);
975 #ifdef NETDATA_INTERNAL_CHECKS
976 tmp.magic = 0x0BADCAFE;
977 #endif /* NETDATA_INTERNAL_CHECKS */
979 return (struct file_descriptor *)avl_search(&all_files_index, (avl *) &tmp);
982 #define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
983 #define file_descriptor_remove(fd) avl_remove(&all_files_index, (avl *)(fd))
985 #define FILETYPE_OTHER 0
986 #define FILETYPE_FILE 1
987 #define FILETYPE_PIPE 2
988 #define FILETYPE_SOCKET 3
989 #define FILETYPE_INOTIFY 4
990 #define FILETYPE_EVENTFD 5
991 #define FILETYPE_EVENTPOLL 6
992 #define FILETYPE_TIMERFD 7
993 #define FILETYPE_SIGNALFD 8
995 static inline void file_descriptor_not_used(int id)
997 if(id > 0 && id < all_files_size) {
999 #ifdef NETDATA_INTERNAL_CHECKS
1000 if(all_files[id].magic != 0x0BADCAFE) {
1001 error("Ignoring request to remove empty file id %d.", id);
1004 #endif /* NETDATA_INTERNAL_CHECKS */
1007 fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
1009 if(all_files[id].count > 0) {
1010 all_files[id].count--;
1012 if(!all_files[id].count) {
1014 fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
1016 if(unlikely(file_descriptor_remove(&all_files[id]) != (void *)&all_files[id]))
1017 error("INTERNAL ERROR: removal of unused fd from index, removed a different fd");
1019 #ifdef NETDATA_INTERNAL_CHECKS
1020 all_files[id].magic = 0x00000000;
1021 #endif /* NETDATA_INTERNAL_CHECKS */
1026 error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name);
1028 else error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size);
1031 static inline void all_files_grow() {
1032 void *old = all_files;
1035 // there is no empty slot
1037 fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
1039 all_files = reallocz(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
1041 // if the address changed, we have to rebuild the index
1042 // since all pointers are now invalid
1044 if(unlikely(old && old != (void *)all_files)) {
1046 fprintf(stderr, "apps.plugin: >> re-indexing.\n");
1048 all_files_index.root = NULL;
1049 for(i = 0; i < all_files_size; i++) {
1050 if(!all_files[i].count) continue;
1051 if(unlikely(file_descriptor_add(&all_files[i]) != (void *)&all_files[i]))
1052 error("INTERNAL ERROR: duplicate indexing of fd during realloc.");
1056 fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
1059 // initialize the newly added entries
1061 for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
1062 all_files[i].count = 0;
1063 all_files[i].name = NULL;
1064 #ifdef NETDATA_INTERNAL_CHECKS
1065 all_files[i].magic = 0x00000000;
1066 #endif /* NETDATA_INTERNAL_CHECKS */
1067 all_files[i].pos = i;
1070 if(unlikely(!all_files_size)) all_files_len = 1;
1071 all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
1074 static inline int file_descriptor_set_on_empty_slot(const char *name, uint32_t hash, int type) {
1075 // check we have enough memory to add it
1076 if(!all_files || all_files_len == all_files_size)
1080 fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
1082 // search for an empty slot
1084 static int last_pos = 0;
1086 for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) {
1087 if(c >= all_files_size) c = 0;
1088 if(c == 0) continue;
1090 if(!all_files[c].count) {
1092 fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
1094 #ifdef NETDATA_INTERNAL_CHECKS
1095 if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
1096 error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
1097 #endif /* NETDATA_INTERNAL_CHECKS */
1100 fprintf(stderr, "apps.plugin: >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name);
1102 freez((void *)all_files[c].name);
1103 all_files[c].name = NULL;
1111 if(i == all_files_size) {
1112 fatal("We should find an empty slot, but there isn't any");
1115 // else we have an empty slot in 'c'
1118 fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
1120 all_files[c].name = strdupz(name);
1121 all_files[c].hash = hash;
1122 all_files[c].type = type;
1123 all_files[c].pos = c;
1124 all_files[c].count = 1;
1125 #ifdef NETDATA_INTERNAL_CHECKS
1126 all_files[c].magic = 0x0BADCAFE;
1127 #endif /* NETDATA_INTERNAL_CHECKS */
1128 if(unlikely(file_descriptor_add(&all_files[c]) != (void *)&all_files[c]))
1129 error("INTERNAL ERROR: duplicate indexing of fd.");
1132 fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
1137 static inline int file_descriptor_find_or_add(const char *name)
1139 uint32_t hash = simple_hash(name);
1142 fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
1144 struct file_descriptor *fd = file_descriptor_find(name, hash);
1148 fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos);
1156 if(name[0] == '/') type = FILETYPE_FILE;
1157 else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE;
1158 else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET;
1159 else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY;
1160 else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD;
1161 else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
1162 else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD;
1163 else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD;
1164 else if(strncmp(name, "anon_inode:", 11) == 0) {
1166 fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
1168 type = FILETYPE_OTHER;
1172 fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
1174 type = FILETYPE_OTHER;
1177 return file_descriptor_set_on_empty_slot(name, hash, type);
1180 static inline void make_all_pid_fds_negative(struct pid_stat *p) {
1181 int *fd = p->fds, *end = &p->fds[p->fds_size];
1188 static inline void cleanup_negative_pid_fds(struct pid_stat *p) {
1189 int *fd = p->fds, *end = &p->fds[p->fds_size];
1191 if(unlikely(*fd < 0)) {
1192 file_descriptor_not_used(-(*fd));
1200 static inline void zero_pid_fds(struct pid_stat *p, int first, int size) {
1201 int *fd = &p->fds[first], *end = &p->fds[first + size];
1202 while(fd < end) *fd++ = 0;
1205 static inline int read_pid_file_descriptors(struct pid_stat *p) {
1206 if(unlikely(!p->fds_dirname)) {
1207 char dirname[FILENAME_MAX+1];
1208 snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", global_host_prefix, p->pid);
1209 p->fds_dirname = strdupz(dirname);
1212 DIR *fds = opendir(p->fds_dirname);
1213 if(unlikely(!fds)) return 0;
1216 char fdname[FILENAME_MAX + 1];
1217 char linkname[FILENAME_MAX + 1];
1219 // we make all pid fds negative, so that
1220 // we can detect unused file descriptors
1221 // at the end, to free them
1222 make_all_pid_fds_negative(p);
1224 while((de = readdir(fds))) {
1225 // we need only files with numeric names
1227 if(unlikely(de->d_name[0] < '0' || de->d_name[0] > '9'))
1231 int fdid = (int)str2l(de->d_name);
1232 if(unlikely(fdid < 0)) continue;
1234 // check if the fds array is small
1235 if(unlikely(fdid >= p->fds_size)) {
1236 // it is small, extend it
1239 fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + MAX_SPARE_FDS);
1241 p->fds = reallocz(p->fds, (fdid + MAX_SPARE_FDS) * sizeof(int));
1243 // and initialize it
1244 zero_pid_fds(p, p->fds_size, (fdid + MAX_SPARE_FDS) - p->fds_size);
1245 p->fds_size = fdid + MAX_SPARE_FDS;
1248 if(unlikely(p->fds[fdid] == 0)) {
1249 // we don't know this fd, get it
1251 sprintf(fdname, "%s/proc/%d/fd/%s", global_host_prefix, p->pid, de->d_name);
1252 ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
1253 if(unlikely(l == -1)) {
1254 if(debug || (p->target && p->target->debug)) {
1255 if(debug || (p->target && p->target->debug))
1256 error("Cannot read link %s", fdname);
1265 // if another process already has this, we will get
1267 p->fds[fdid] = file_descriptor_find_or_add(linkname);
1270 // else make it positive again, we need it
1271 // of course, the actual file may have changed, but we don't care so much
1272 // FIXME: we could compare the inode as returned by readdir dirent structure
1275 p->fds[fdid] = -p->fds[fdid];
1279 cleanup_negative_pid_fds(p);
1284 // ----------------------------------------------------------------------------
1286 static inline int print_process_and_parents(struct pid_stat *p, unsigned long long time) {
1287 char *prefix = "\\_ ";
1291 indent = print_process_and_parents(p->parent, p->stat_collected_usec);
1295 char buffer[indent + 1];
1298 for(i = 0; i < indent ;i++) buffer[i] = ' ';
1301 fprintf(stderr, " %s %s%s (%d %s %lld"
1306 , p->updated?"running":"exited"
1307 , (long long)p->stat_collected_usec - (long long)time
1310 if(p->utime) fprintf(stderr, " utime=%llu", p->utime);
1311 if(p->stime) fprintf(stderr, " stime=%llu", p->stime);
1312 if(p->gtime) fprintf(stderr, " gtime=%llu", p->gtime);
1313 if(p->cutime) fprintf(stderr, " cutime=%llu", p->cutime);
1314 if(p->cstime) fprintf(stderr, " cstime=%llu", p->cstime);
1315 if(p->cgtime) fprintf(stderr, " cgtime=%llu", p->cgtime);
1316 if(p->minflt) fprintf(stderr, " minflt=%llu", p->minflt);
1317 if(p->cminflt) fprintf(stderr, " cminflt=%llu", p->cminflt);
1318 if(p->majflt) fprintf(stderr, " majflt=%llu", p->majflt);
1319 if(p->cmajflt) fprintf(stderr, " cmajflt=%llu", p->cmajflt);
1320 fprintf(stderr, ")\n");
1325 static inline void print_process_tree(struct pid_stat *p, char *msg) {
1327 fprintf(stderr, "%s: process %s (%d, %s) with parents:\n", msg, p->comm, p->pid, p->updated?"running":"exited");
1328 print_process_and_parents(p, p->stat_collected_usec);
1331 static inline void find_lost_child_debug(struct pid_stat *pe, unsigned long long lost, int type) {
1333 struct pid_stat *p = NULL;
1335 for(p = root_of_pids; p ; p = p->next) {
1336 if(p == pe) continue;
1340 if(p->cminflt > lost) {
1341 fprintf(stderr, " > process %d (%s) could use the lost exited child minflt %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
1347 if(p->cmajflt > lost) {
1348 fprintf(stderr, " > process %d (%s) could use the lost exited child majflt %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
1354 if(p->cutime > lost) {
1355 fprintf(stderr, " > process %d (%s) could use the lost exited child utime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
1361 if(p->cstime > lost) {
1362 fprintf(stderr, " > process %d (%s) could use the lost exited child stime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
1368 if(p->cgtime > lost) {
1369 fprintf(stderr, " > process %d (%s) could use the lost exited child gtime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
1379 fprintf(stderr, " > cannot find any process to use the lost exited child minflt %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
1383 fprintf(stderr, " > cannot find any process to use the lost exited child majflt %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
1387 fprintf(stderr, " > cannot find any process to use the lost exited child utime %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
1391 fprintf(stderr, " > cannot find any process to use the lost exited child stime %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
1395 fprintf(stderr, " > cannot find any process to use the lost exited child gtime %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
1401 static inline unsigned long long remove_exited_child_from_parent(unsigned long long *field, unsigned long long *pfield) {
1402 unsigned long long absorbed = 0;
1404 if(*field > *pfield) {
1405 absorbed += *pfield;
1418 static inline void process_exited_processes() {
1421 for(p = root_of_pids; p ; p = p->next) {
1422 if(p->updated || !p->stat_collected_usec)
1425 struct pid_stat *pp = p->parent;
1427 unsigned long long utime = (p->utime_raw + p->cutime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
1428 unsigned long long stime = (p->stime_raw + p->cstime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
1429 unsigned long long gtime = (p->gtime_raw + p->cgtime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
1430 unsigned long long minflt = (p->minflt_raw + p->cminflt_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
1431 unsigned long long majflt = (p->majflt_raw + p->cmajflt_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
1433 if(utime + stime + gtime + minflt + majflt == 0)
1436 if(unlikely(debug)) {
1438 fprintf(stderr, "Absorb %s (%d %s total resources: utime=%llu stime=%llu gtime=%llu minflt=%llu majflt=%llu)\n"
1441 , p->updated?"running":"exited"
1448 print_process_tree(p, "Searching parents");
1451 for(pp = p->parent; pp ; pp = pp->parent) {
1452 if(!pp->updated) continue;
1454 unsigned long long absorbed;
1455 absorbed = remove_exited_child_from_parent(&utime, &pp->cutime);
1456 if(unlikely(debug && absorbed))
1457 fprintf(stderr, " > process %s (%d %s) absorbed %llu utime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, utime);
1459 absorbed = remove_exited_child_from_parent(&stime, &pp->cstime);
1460 if(unlikely(debug && absorbed))
1461 fprintf(stderr, " > process %s (%d %s) absorbed %llu stime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, stime);
1463 absorbed = remove_exited_child_from_parent(>ime, &pp->cgtime);
1464 if(unlikely(debug && absorbed))
1465 fprintf(stderr, " > process %s (%d %s) absorbed %llu gtime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, gtime);
1467 absorbed = remove_exited_child_from_parent(&minflt, &pp->cminflt);
1468 if(unlikely(debug && absorbed))
1469 fprintf(stderr, " > process %s (%d %s) absorbed %llu minflt (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, minflt);
1471 absorbed = remove_exited_child_from_parent(&majflt, &pp->cmajflt);
1472 if(unlikely(debug && absorbed))
1473 fprintf(stderr, " > process %s (%d %s) absorbed %llu majflt (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, majflt);
1476 if(unlikely(utime + stime + gtime + minflt + majflt > 0)) {
1477 if(unlikely(debug)) {
1478 if(utime) find_lost_child_debug(p, utime, 3);
1479 if(stime) find_lost_child_debug(p, stime, 4);
1480 if(gtime) find_lost_child_debug(p, gtime, 5);
1481 if(minflt) find_lost_child_debug(p, minflt, 1);
1482 if(majflt) find_lost_child_debug(p, majflt, 2);
1488 fprintf(stderr, " > remaining resources - KEEP - for another loop: %s (%d %s total resources: utime=%llu stime=%llu gtime=%llu minflt=%llu majflt=%llu)\n"
1491 , p->updated?"running":"exited"
1499 for(pp = p->parent; pp ; pp = pp->parent) {
1500 if(pp->updated) break;
1504 fprintf(stderr, " > - KEEP - parent for another loop: %s (%d %s)\n"
1507 , pp->updated?"running":"exited"
1511 p->utime_raw = utime * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
1512 p->stime_raw = stime * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
1513 p->gtime_raw = gtime * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
1514 p->minflt_raw = minflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
1515 p->majflt_raw = majflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
1516 p->cutime_raw = p->cstime_raw = p->cgtime_raw = p->cminflt_raw = p->cmajflt_raw = 0;
1519 fprintf(stderr, "\n");
1521 else if(unlikely(debug)) {
1522 fprintf(stderr, " > totally absorbed - DONE - %s (%d %s)\n"
1525 , p->updated?"running":"exited"
1531 static inline void link_all_processes_to_their_parents(void) {
1532 struct pid_stat *p, *pp;
1534 // link all children to their parents
1535 // and update children count on parents
1536 for(p = root_of_pids; p ; p = p->next) {
1537 // for each process found
1542 if(unlikely(!p->ppid)) {
1547 pp = all_pids[p->ppid];
1550 pp->children_count++;
1552 if(unlikely(debug || (p->target && p->target->debug)))
1553 fprintf(stderr, "apps.plugin: \tchild %d (%s, %s) on target '%s' has parent %d (%s, %s). Parent: utime=%llu, stime=%llu, gtime=%llu, minflt=%llu, majflt=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->updated?"running":"exited", (p->target)?p->target->name:"UNSET", pp->pid, pp->comm, pp->updated?"running":"exited", pp->utime, pp->stime, pp->gtime, pp->minflt, pp->majflt, pp->cutime, pp->cstime, pp->cgtime, pp->cminflt, pp->cmajflt);
1557 error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
1562 // ----------------------------------------------------------------------------
1564 // 1. read all files in /proc
1565 // 2. for each numeric directory:
1566 // i. read /proc/pid/stat
1567 // ii. read /proc/pid/statm
1568 // iii. read /proc/pid/io (requires root access)
1569 // iii. read the entries in directory /proc/pid/fd (requires root access)
1571 // a. find or create a struct file_descriptor
1572 // b. cleanup any old/unused file_descriptors
1574 // after all these, some pids may be linked to targets, while others may not
1576 // in case of errors, only 1 every 1000 errors is printed
1577 // to avoid filling up all disk space
1578 // if debug is enabled, all errors are printed
1580 static int compar_pid(const void *pid1, const void *pid2) {
1582 struct pid_stat *p1 = all_pids[*((pid_t *)pid1)];
1583 struct pid_stat *p2 = all_pids[*((pid_t *)pid2)];
1585 if(p1->sortlist > p2->sortlist)
1591 static inline int managed_log(struct pid_stat *p, uint32_t log, int status) {
1592 if(unlikely(!status)) {
1593 // error("command failed log %u, errno %d", log, errno);
1595 if(unlikely(debug || errno != ENOENT)) {
1596 if(unlikely(debug || !(p->log_thrown & log))) {
1597 p->log_thrown |= log;
1600 error("Cannot process %s/proc/%d/io (command '%s')", global_host_prefix, p->pid, p->comm);
1604 error("Cannot process %s/proc/%d/statm (command '%s')", global_host_prefix, p->pid, p->comm);
1607 case PID_LOG_CMDLINE:
1608 error("Cannot process %s/proc/%d/cmdline (command '%s')", global_host_prefix, p->pid, p->comm);
1612 error("Cannot process entries in %s/proc/%d/fd (command '%s')", global_host_prefix, p->pid, p->comm);
1619 error("unhandled error for pid %d, command '%s'", p->pid, p->comm);
1626 else if(unlikely(p->log_thrown & log)) {
1627 // error("unsetting log %u on pid %d", log, p->pid);
1628 p->log_thrown &= ~log;
1634 static inline void assign_target_to_pid(struct pid_stat *p) {
1635 uint32_t hash = simple_hash(p->comm);
1636 size_t pclen = strlen(p->comm);
1639 for(w = apps_groups_root_target; w ; w = w->next) {
1640 // if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm);
1642 // find it - 4 cases:
1643 // 1. the target is not a pattern
1644 // 2. the target has the prefix
1645 // 3. the target has the suffix
1646 // 4. the target is something inside cmdline
1648 if(unlikely(( (!w->starts_with && !w->ends_with && w->comparehash == hash && !strcmp(w->compare, p->comm))
1649 || (w->starts_with && !w->ends_with && !strncmp(w->compare, p->comm, w->comparelen))
1650 || (!w->starts_with && w->ends_with && pclen >= w->comparelen && !strcmp(w->compare, &p->comm[pclen - w->comparelen]))
1651 || (proc_pid_cmdline_is_needed && w->starts_with && w->ends_with && strstr(p->cmdline, w->compare))
1654 if(w->target) p->target = w->target;
1657 if(debug || (p->target && p->target->debug))
1658 fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
1665 static inline int collect_data_for_pid(pid_t pid) {
1666 if(unlikely(pid <= 0 || pid > pid_max)) {
1667 error("Invalid pid %d read (expected 1 to %d). Ignoring process.", pid, pid_max);
1671 struct pid_stat *p = get_pid_entry(pid);
1672 if(unlikely(!p || p->read)) return 0;
1675 // fprintf(stderr, "Reading process %d (%s), sortlist %d\n", p->pid, p->comm, p->sortlist);
1677 // --------------------------------------------------------------------
1680 if(unlikely(!managed_log(p, PID_LOG_STAT, read_proc_pid_stat(p))))
1681 // there is no reason to proceed if we cannot get its status
1684 read_proc_pid_ownership(p);
1686 // check its parent pid
1687 if(unlikely(p->ppid < 0 || p->ppid > pid_max)) {
1688 error("Pid %d (command '%s') states invalid parent pid %d. Using 0.", pid, p->comm, p->ppid);
1692 // --------------------------------------------------------------------
1695 managed_log(p, PID_LOG_IO, read_proc_pid_io(p));
1697 // --------------------------------------------------------------------
1698 // /proc/<pid>/statm
1700 if(unlikely(!managed_log(p, PID_LOG_STATM, read_proc_pid_statm(p))))
1701 // there is no reason to proceed if we cannot get its memory status
1704 // --------------------------------------------------------------------
1707 // check if it is target
1708 // we do this only once, the first time this pid is loaded
1709 if(unlikely(p->new_entry)) {
1710 // /proc/<pid>/cmdline
1711 if(likely(proc_pid_cmdline_is_needed))
1712 managed_log(p, PID_LOG_CMDLINE, read_proc_pid_cmdline(p));
1715 fprintf(stderr, "apps.plugin: \tJust added %d (%s)\n", pid, p->comm);
1717 assign_target_to_pid(p);
1720 // --------------------------------------------------------------------
1723 if(enable_file_charts)
1724 managed_log(p, PID_LOG_FDS, read_pid_file_descriptors(p));
1726 // --------------------------------------------------------------------
1729 if(unlikely(debug && include_exited_childs && all_pids_count && p->ppid && all_pids[p->ppid] && !all_pids[p->ppid]->read))
1730 fprintf(stderr, "Read process %d (%s) sortlisted %d, but its parent %d (%s) sortlisted %d, is not read\n", p->pid, p->comm, p->sortlist, all_pids[p->ppid]->pid, all_pids[p->ppid]->comm, all_pids[p->ppid]->sortlist);
1732 // mark it as updated
1740 static int collect_data_for_all_processes_from_proc(void) {
1741 struct pid_stat *p = NULL;
1743 if(all_pids_count) {
1744 // read parents before childs
1745 // this is needed to prevent a situation where
1746 // a child is found running, but until we read
1747 // its parent, it has exited and its parent
1748 // has accumulated its resources
1751 for(p = root_of_pids; p ; p = p->next) {
1756 p->children_count = 0;
1759 all_pids_sortlist[slc++] = p->pid;
1762 if(unlikely(slc != all_pids_count)) {
1763 error("Internal error: I was thinking I had %ld processes in my arrays, but it seems there are more.", all_pids_count);
1764 all_pids_count = slc;
1767 if(include_exited_childs) {
1768 qsort((void *)all_pids_sortlist, (size_t)all_pids_count, sizeof(pid_t), compar_pid);
1769 for(slc = 0; slc < all_pids_count; slc++)
1770 collect_data_for_pid(all_pids_sortlist[slc]);
1774 char dirname[FILENAME_MAX + 1];
1776 snprintfz(dirname, FILENAME_MAX, "%s/proc", global_host_prefix);
1777 DIR *dir = opendir(dirname);
1780 struct dirent *file = NULL;
1782 while((file = readdir(dir))) {
1783 char *endptr = file->d_name;
1784 pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10);
1786 // make sure we read a valid number
1787 if(unlikely(endptr == file->d_name || *endptr != '\0'))
1790 collect_data_for_pid(pid);
1797 // normally this is done
1798 // however we may have processes exited while we collected values
1799 // so let's find the exited ones
1800 // we do this by collecting the ownership of process
1801 // if we manage to get the ownership, the process still runs
1804 link_all_processes_to_their_parents();
1805 process_exited_processes();
1810 // ----------------------------------------------------------------------------
1811 // update statistics on the targets
1813 // 1. link all childs to their parents
1814 // 2. go from bottom to top, marking as merged all childs to their parents
1815 // this step links all parents without a target to the child target, if any
1816 // 3. link all top level processes (the ones not merged) to the default target
1817 // 4. go from top to bottom, linking all childs without a target, to their parent target
1818 // after this step, all processes have a target
1819 // [5. for each killed pid (updated = 0), remove its usage from its target]
1820 // 6. zero all apps_groups_targets
1821 // 7. concentrate all values on the apps_groups_targets
1822 // 8. remove all killed processes
1823 // 9. find the unique file count for each target
1824 // check: update_apps_groups_statistics()
1826 static void cleanup_exited_pids(void) {
1828 struct pid_stat *p = NULL;
1830 for(p = root_of_pids; p ;) {
1831 if(!p->updated && (!p->keep || p->keeploops > 0)) {
1832 // fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, gtime=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->parent->pid, p->parent->comm, p->target->name, p->utime, p->stime, p->gtime, p->cutime, p->cstime, p->cgtime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
1834 if(unlikely(debug && (p->keep || p->keeploops)))
1835 fprintf(stderr, " > CLEANUP cannot keep exited process %d (%s) anymore - removing it.\n", p->pid, p->comm);
1837 for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
1838 file_descriptor_not_used(p->fds[c]);
1847 if(unlikely(p->keep)) p->keeploops++;
1854 static void apply_apps_groups_targets_inheritance(void) {
1855 struct pid_stat *p = NULL;
1857 // children that do not have a target
1858 // inherit their target from their parent
1859 int found = 1, loops = 0;
1861 if(unlikely(debug)) loops++;
1863 for(p = root_of_pids; p ; p = p->next) {
1864 // if this process does not have a target
1865 // and it has a parent
1866 // and its parent has a target
1867 // then, set the parent's target to this process
1868 if(unlikely(!p->target && p->parent && p->parent->target)) {
1869 p->target = p->parent->target;
1872 if(debug || (p->target && p->target->debug))
1873 fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s).\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
1878 // find all the procs with 0 childs and merge them to their parents
1879 // repeat, until nothing more can be done.
1883 if(unlikely(debug)) loops++;
1886 for(p = root_of_pids; p ; p = p->next) {
1887 if(unlikely(!p->sortlist && !p->children_count))
1888 p->sortlist = sortlist++;
1890 // if this process does not have any children
1891 // and is not already merged
1893 // and its parent has children
1894 // and the target of this process and its parent is the same, or the parent does not have a target
1895 // and its parent is not init
1896 // then, mark them as merged.
1901 && p->parent->children_count
1902 && (p->target == p->parent->target || !p->parent->target)
1905 p->parent->children_count--;
1908 // the parent inherits the child's target, if it does not have a target itself
1909 if(unlikely(p->target && !p->parent->target)) {
1910 p->parent->target = p->target;
1912 if(debug || (p->target && p->target->debug))
1913 fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its child %d (%s).\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
1921 fprintf(stderr, "apps.plugin: TARGET INHERITANCE: merged %d processes\n", found);
1924 // init goes always to default target
1926 all_pids[1]->target = apps_groups_default_target;
1928 // give a default target on all top level processes
1929 if(unlikely(debug)) loops++;
1930 for(p = root_of_pids; p ; p = p->next) {
1931 // if the process is not merged itself
1932 // then is is a top level process
1933 if(unlikely(!p->merged && !p->target))
1934 p->target = apps_groups_default_target;
1936 // make sure all processes have a sortlist
1937 if(unlikely(!p->sortlist))
1938 p->sortlist = sortlist++;
1942 all_pids[1]->sortlist = sortlist++;
1944 // give a target to all merged child processes
1947 if(unlikely(debug)) loops++;
1949 for(p = root_of_pids; p ; p = p->next) {
1950 if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) {
1951 p->target = p->parent->target;
1954 if(debug || (p->target && p->target->debug))
1955 fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s) at phase 2.\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
1961 fprintf(stderr, "apps.plugin: apply_apps_groups_targets_inheritance() made %d loops on the process tree\n", loops);
1964 static long zero_all_targets(struct target *root) {
1968 for (w = root; w ; w = w->next) {
1986 w->statm_resident = 0;
1988 // w->statm_text = 0;
1989 // w->statm_lib = 0;
1990 // w->statm_data = 0;
1991 // w->statm_dirty = 0;
1993 w->io_logical_bytes_read = 0;
1994 w->io_logical_bytes_written = 0;
1995 // w->io_read_calls = 0;
1996 // w->io_write_calls = 0;
1997 w->io_storage_bytes_read = 0;
1998 w->io_storage_bytes_written = 0;
1999 // w->io_cancelled_write_bytes = 0;
2001 // zero file counters
2003 memset(w->target_fds, 0, sizeof(int) * w->target_fds_size);
2007 w->openinotifies = 0;
2008 w->openeventfds = 0;
2009 w->opentimerfds = 0;
2010 w->opensignalfds = 0;
2011 w->openeventpolls = 0;
2019 static inline void reallocate_target_fds(struct target *w) {
2023 if(unlikely(!w->target_fds || w->target_fds_size < all_files_size)) {
2024 w->target_fds = reallocz(w->target_fds, sizeof(int) * all_files_size);
2025 memset(&w->target_fds[w->target_fds_size], 0, sizeof(int) * (all_files_size - w->target_fds_size));
2026 w->target_fds_size = all_files_size;
2030 static inline void aggregate_fd_on_target(int fd, struct target *w) {
2034 if(unlikely(w->target_fds[fd])) {
2035 // it is already aggregated
2036 // just increase its usage counter
2037 w->target_fds[fd]++;
2041 // increase its usage counter
2042 // so that we will not add it again
2043 w->target_fds[fd]++;
2045 switch(all_files[fd].type) {
2054 case FILETYPE_SOCKET:
2058 case FILETYPE_INOTIFY:
2062 case FILETYPE_EVENTFD:
2066 case FILETYPE_TIMERFD:
2070 case FILETYPE_SIGNALFD:
2074 case FILETYPE_EVENTPOLL:
2075 w->openeventpolls++;
2084 static inline void aggregate_pid_fds_on_targets(struct pid_stat *p) {
2086 if(unlikely(!p->updated)) {
2087 // the process is not running
2091 struct target *w = p->target, *u = p->user_target, *g = p->group_target;
2093 reallocate_target_fds(w);
2094 reallocate_target_fds(u);
2095 reallocate_target_fds(g);
2097 int c, size = p->fds_size, *fds = p->fds;
2098 for(c = 0; c < size ;c++) {
2101 if(likely(fd <= 0 || fd >= all_files_size))
2104 aggregate_fd_on_target(fd, w);
2105 aggregate_fd_on_target(fd, u);
2106 aggregate_fd_on_target(fd, g);
2110 static inline void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) {
2113 if(unlikely(!p->updated)) {
2114 // the process is not running
2119 error("pid %d %s was left without a target!", p->pid, p->comm);
2123 w->cutime += p->cutime;
2124 w->cstime += p->cstime;
2125 w->cgtime += p->cgtime;
2126 w->cminflt += p->cminflt;
2127 w->cmajflt += p->cmajflt;
2129 w->utime += p->utime;
2130 w->stime += p->stime;
2131 w->gtime += p->gtime;
2132 w->minflt += p->minflt;
2133 w->majflt += p->majflt;
2135 // w->rss += p->rss;
2137 w->statm_size += p->statm_size;
2138 w->statm_resident += p->statm_resident;
2139 w->statm_share += p->statm_share;
2140 // w->statm_text += p->statm_text;
2141 // w->statm_lib += p->statm_lib;
2142 // w->statm_data += p->statm_data;
2143 // w->statm_dirty += p->statm_dirty;
2145 w->io_logical_bytes_read += p->io_logical_bytes_read;
2146 w->io_logical_bytes_written += p->io_logical_bytes_written;
2147 // w->io_read_calls += p->io_read_calls;
2148 // w->io_write_calls += p->io_write_calls;
2149 w->io_storage_bytes_read += p->io_storage_bytes_read;
2150 w->io_storage_bytes_written += p->io_storage_bytes_written;
2151 // w->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
2154 w->num_threads += p->num_threads;
2156 if(unlikely(debug || w->debug))
2157 fprintf(stderr, "apps.plugin: \taggregating '%s' pid %d on target '%s' utime=%llu, stime=%llu, gtime=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->comm, p->pid, w->name, p->utime, p->stime, p->gtime, p->cutime, p->cstime, p->cgtime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
2160 static void calculate_netdata_statistics(void) {
2162 apply_apps_groups_targets_inheritance();
2164 zero_all_targets(users_root_target);
2165 zero_all_targets(groups_root_target);
2166 apps_groups_targets = zero_all_targets(apps_groups_root_target);
2168 // this has to be done, before the cleanup
2169 struct pid_stat *p = NULL;
2170 struct target *w = NULL, *o = NULL;
2172 // concentrate everything on the targets
2173 for(p = root_of_pids; p ; p = p->next) {
2175 // --------------------------------------------------------------------
2176 // apps_groups target
2178 aggregate_pid_on_target(p->target, p, NULL);
2181 // --------------------------------------------------------------------
2185 if(likely(p->user_target && p->user_target->uid == p->uid))
2188 if(unlikely(debug && p->user_target))
2189 fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %u (%s) to %u.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid);
2191 w = p->user_target = get_users_target(p->uid);
2194 aggregate_pid_on_target(w, p, o);
2197 // --------------------------------------------------------------------
2198 // user group target
2200 o = p->group_target;
2201 if(likely(p->group_target && p->group_target->gid == p->gid))
2202 w = p->group_target;
2204 if(unlikely(debug && p->group_target))
2205 fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %u (%s) to %u.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid);
2207 w = p->group_target = get_groups_target(p->gid);
2210 aggregate_pid_on_target(w, p, o);
2213 // --------------------------------------------------------------------
2214 // aggregate all file descriptors
2216 if(enable_file_charts)
2217 aggregate_pid_fds_on_targets(p);
2220 cleanup_exited_pids();
2223 // ----------------------------------------------------------------------------
2224 // update chart dimensions
2226 int print_calculated_number(char *str, calculated_number value) { (void)str; (void)value; return 0; }
2228 static inline void send_BEGIN(const char *type, const char *id, unsigned long long usec) {
2229 fprintf(stdout, "BEGIN %s.%s %llu\n", type, id, usec);
2232 static inline void send_SET(const char *name, unsigned long long value) {
2233 fprintf(stdout, "SET %s = %llu\n", name, value);
2236 static inline void send_END(void) {
2237 fprintf(stdout, "END\n");
2240 double utime_fix_ratio = 1.0, stime_fix_ratio = 1.0, gtime_fix_ratio = 1.0, cutime_fix_ratio = 1.0, cstime_fix_ratio = 1.0, cgtime_fix_ratio = 1.0;
2241 double minflt_fix_ratio = 1.0, majflt_fix_ratio = 1.0, cminflt_fix_ratio = 1.0, cmajflt_fix_ratio = 1.0;
2243 static usec_t send_resource_usage_to_netdata() {
2244 static struct timeval last = { 0, 0 };
2245 static struct rusage me_last;
2255 now_realtime_timeval(&last);
2256 getrusage(RUSAGE_SELF, &me_last);
2258 // the first time, give a zero to allow
2259 // netdata calibrate to the current time
2260 // usec = update_every * USEC_PER_SEC;
2266 now_realtime_timeval(&now);
2267 getrusage(RUSAGE_SELF, &me);
2269 usec = dt_usec(&now, &last);
2270 cpuuser = me.ru_utime.tv_sec * USEC_PER_SEC + me.ru_utime.tv_usec;
2271 cpusyst = me.ru_stime.tv_sec * USEC_PER_SEC + me.ru_stime.tv_usec;
2273 memmove(&last, &now, sizeof(struct timeval));
2274 memmove(&me_last, &me, sizeof(struct rusage));
2278 "BEGIN netdata.apps_cpu %llu\n"
2280 "SET system = %llu\n"
2282 "BEGIN netdata.apps_files %llu\n"
2283 "SET files = %llu\n"
2286 "SET targets = %ld\n"
2288 "BEGIN netdata.apps_fix %llu\n"
2289 "SET utime = %llu\n"
2290 "SET stime = %llu\n"
2291 "SET gtime = %llu\n"
2292 "SET minflt = %llu\n"
2293 "SET majflt = %llu\n"
2302 , apps_groups_targets
2304 , (unsigned long long)(utime_fix_ratio * 100 * RATES_DETAIL)
2305 , (unsigned long long)(stime_fix_ratio * 100 * RATES_DETAIL)
2306 , (unsigned long long)(gtime_fix_ratio * 100 * RATES_DETAIL)
2307 , (unsigned long long)(minflt_fix_ratio * 100 * RATES_DETAIL)
2308 , (unsigned long long)(majflt_fix_ratio * 100 * RATES_DETAIL)
2311 if(include_exited_childs)
2313 "BEGIN netdata.apps_children_fix %llu\n"
2314 "SET cutime = %llu\n"
2315 "SET cstime = %llu\n"
2316 "SET cgtime = %llu\n"
2317 "SET cminflt = %llu\n"
2318 "SET cmajflt = %llu\n"
2321 , (unsigned long long)(cutime_fix_ratio * 100 * RATES_DETAIL)
2322 , (unsigned long long)(cstime_fix_ratio * 100 * RATES_DETAIL)
2323 , (unsigned long long)(cgtime_fix_ratio * 100 * RATES_DETAIL)
2324 , (unsigned long long)(cminflt_fix_ratio * 100 * RATES_DETAIL)
2325 , (unsigned long long)(cmajflt_fix_ratio * 100 * RATES_DETAIL)
2331 static void normalize_data(struct target *root) {
2334 // childs processing introduces spikes
2335 // here we try to eliminate them by disabling childs processing either for specific dimensions
2336 // or entirely. Of course, either way, we disable it just a single iteration.
2338 unsigned long long max = processors * hz * RATES_DETAIL;
2339 unsigned long long utime = 0, cutime = 0, stime = 0, cstime = 0, gtime = 0, cgtime = 0, minflt = 0, cminflt = 0, majflt = 0, cmajflt = 0;
2341 if(global_utime > max) global_utime = max;
2342 if(global_stime > max) global_stime = max;
2343 if(global_gtime > max) global_gtime = max;
2345 for(w = root; w ; w = w->next) {
2346 if(w->target || (!w->processes && !w->exposed)) continue;
2351 cutime += w->cutime;
2352 cstime += w->cstime;
2353 cgtime += w->cgtime;
2355 minflt += w->minflt;
2356 majflt += w->majflt;
2357 cminflt += w->cminflt;
2358 cmajflt += w->cmajflt;
2361 if((global_utime || global_stime || global_gtime) && (utime || stime || gtime)) {
2362 if(global_utime + global_stime + global_gtime > utime + cutime + stime + cstime + gtime + cgtime) {
2363 // everything we collected fits
2369 cgtime_fix_ratio = 1.0; //(double)(global_utime + global_stime) / (double)(utime + cutime + stime + cstime);
2371 else if(global_utime + global_stime > utime + stime) {
2372 // childrens resources are too high
2373 // lower only the children resources
2376 gtime_fix_ratio = 1.0;
2379 cgtime_fix_ratio = (double)((global_utime + global_stime) - (utime + stime)) / (double)(cutime + cstime);
2382 // even running processes are unrealistic
2383 // zero the children resources
2384 // lower the running processes resources
2387 gtime_fix_ratio = (double)(global_utime + global_stime) / (double)(utime + stime);
2390 cgtime_fix_ratio = 0.0;
2399 cgtime_fix_ratio = 0.0;
2402 if(utime_fix_ratio > 1.0) utime_fix_ratio = 1.0;
2403 if(cutime_fix_ratio > 1.0) cutime_fix_ratio = 1.0;
2404 if(stime_fix_ratio > 1.0) stime_fix_ratio = 1.0;
2405 if(cstime_fix_ratio > 1.0) cstime_fix_ratio = 1.0;
2406 if(gtime_fix_ratio > 1.0) gtime_fix_ratio = 1.0;
2407 if(cgtime_fix_ratio > 1.0) cgtime_fix_ratio = 1.0;
2409 // if(utime_fix_ratio < 0.0) utime_fix_ratio = 0.0;
2410 // if(cutime_fix_ratio < 0.0) cutime_fix_ratio = 0.0;
2411 // if(stime_fix_ratio < 0.0) stime_fix_ratio = 0.0;
2412 // if(cstime_fix_ratio < 0.0) cstime_fix_ratio = 0.0;
2413 // if(gtime_fix_ratio < 0.0) gtime_fix_ratio = 0.0;
2414 // if(cgtime_fix_ratio < 0.0) cgtime_fix_ratio = 0.0;
2417 // we use cpu time to normalize page faults
2418 // the problem is that to find the proper max values
2419 // for page faults we have to parse /proc/vmstat
2420 // which is quite big to do it again (netdata does it already)
2422 // a better solution could be to somehow have netdata
2423 // do this normalization for us
2425 if(utime || stime || gtime)
2427 minflt_fix_ratio = (double)(utime * utime_fix_ratio + stime * stime_fix_ratio + gtime * gtime_fix_ratio) / (double)(utime + stime + gtime);
2430 majflt_fix_ratio = 1.0;
2432 if(cutime || cstime || cgtime)
2434 cminflt_fix_ratio = (double)(cutime * cutime_fix_ratio + cstime * cstime_fix_ratio + cgtime * cgtime_fix_ratio) / (double)(cutime + cstime + cgtime);
2437 cmajflt_fix_ratio = 1.0;
2441 if(unlikely(debug)) {
2443 "SYSTEM: u=%llu s=%llu g=%llu "
2444 "COLLECTED: u=%llu s=%llu g=%llu cu=%llu cs=%llu cg=%llu "
2445 "DELTA: u=%lld s=%lld g=%lld "
2446 "FIX: u=%0.2f s=%0.2f g=%0.2f cu=%0.2f cs=%0.2f cg=%0.2f "
2447 "FINALLY: u=%llu s=%llu g=%llu cu=%llu cs=%llu cg=%llu "
2458 , (long long)utime + (long long)cutime - (long long)global_utime
2459 , (long long)stime + (long long)cstime - (long long)global_stime
2460 , (long long)gtime + (long long)cgtime - (long long)global_gtime
2467 , (unsigned long long)(utime * utime_fix_ratio)
2468 , (unsigned long long)(stime * stime_fix_ratio)
2469 , (unsigned long long)(gtime * gtime_fix_ratio)
2470 , (unsigned long long)(cutime * cutime_fix_ratio)
2471 , (unsigned long long)(cstime * cstime_fix_ratio)
2472 , (unsigned long long)(cgtime * cgtime_fix_ratio)
2477 static void send_collected_data_to_netdata(struct target *root, const char *type, usec_t usec) {
2480 send_BEGIN(type, "cpu", usec);
2481 for (w = root; w ; w = w->next) {
2482 if(unlikely(w->exposed))
2483 send_SET(w->name, (unsigned long long)(w->utime * utime_fix_ratio) + (unsigned long long)(w->stime * stime_fix_ratio) + (unsigned long long)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cutime * cutime_fix_ratio) + (unsigned long long)(w->cstime * cstime_fix_ratio) + (unsigned long long)(w->cgtime * cgtime_fix_ratio)):0ULL));
2487 send_BEGIN(type, "cpu_user", usec);
2488 for (w = root; w ; w = w->next) {
2489 if(unlikely(w->exposed))
2490 send_SET(w->name, (unsigned long long)(w->utime * utime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cutime * cutime_fix_ratio)):0ULL));
2494 send_BEGIN(type, "cpu_system", usec);
2495 for (w = root; w ; w = w->next) {
2496 if(unlikely(w->exposed))
2497 send_SET(w->name, (unsigned long long)(w->stime * stime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cstime * cstime_fix_ratio)):0ULL));
2501 if(show_guest_time) {
2502 send_BEGIN(type, "cpu_guest", usec);
2503 for (w = root; w ; w = w->next) {
2504 if(unlikely(w->exposed))
2505 send_SET(w->name, (unsigned long long)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cgtime * cgtime_fix_ratio)):0ULL));
2510 send_BEGIN(type, "threads", usec);
2511 for (w = root; w ; w = w->next) {
2512 if(unlikely(w->exposed))
2513 send_SET(w->name, w->num_threads);
2517 send_BEGIN(type, "processes", usec);
2518 for (w = root; w ; w = w->next) {
2519 if(unlikely(w->exposed))
2520 send_SET(w->name, w->processes);
2524 send_BEGIN(type, "mem", usec);
2525 for (w = root; w ; w = w->next) {
2526 if(unlikely(w->exposed))
2527 send_SET(w->name, (w->statm_resident > w->statm_share)?(w->statm_resident - w->statm_share):0ULL);
2531 send_BEGIN(type, "vmem", usec);
2532 for (w = root; w ; w = w->next) {
2533 if(unlikely(w->exposed))
2534 send_SET(w->name, w->statm_size);
2538 send_BEGIN(type, "minor_faults", usec);
2539 for (w = root; w ; w = w->next) {
2540 if(unlikely(w->exposed))
2541 send_SET(w->name, (unsigned long long)(w->minflt * minflt_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cminflt * cminflt_fix_ratio)):0ULL));
2545 send_BEGIN(type, "major_faults", usec);
2546 for (w = root; w ; w = w->next) {
2547 if(unlikely(w->exposed))
2548 send_SET(w->name, (unsigned long long)(w->majflt * majflt_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cmajflt * cmajflt_fix_ratio)):0ULL));
2552 send_BEGIN(type, "lreads", usec);
2553 for (w = root; w ; w = w->next) {
2554 if(unlikely(w->exposed))
2555 send_SET(w->name, w->io_logical_bytes_read);
2559 send_BEGIN(type, "lwrites", usec);
2560 for (w = root; w ; w = w->next) {
2561 if(unlikely(w->exposed))
2562 send_SET(w->name, w->io_logical_bytes_written);
2566 send_BEGIN(type, "preads", usec);
2567 for (w = root; w ; w = w->next) {
2568 if(unlikely(w->exposed))
2569 send_SET(w->name, w->io_storage_bytes_read);
2573 send_BEGIN(type, "pwrites", usec);
2574 for (w = root; w ; w = w->next) {
2575 if(unlikely(w->exposed))
2576 send_SET(w->name, w->io_storage_bytes_written);
2580 if(enable_file_charts) {
2581 send_BEGIN(type, "files", usec);
2582 for (w = root; w; w = w->next) {
2583 if (unlikely(w->exposed))
2584 send_SET(w->name, w->openfiles);
2588 send_BEGIN(type, "sockets", usec);
2589 for (w = root; w; w = w->next) {
2590 if (unlikely(w->exposed))
2591 send_SET(w->name, w->opensockets);
2595 send_BEGIN(type, "pipes", usec);
2596 for (w = root; w; w = w->next) {
2597 if (unlikely(w->exposed))
2598 send_SET(w->name, w->openpipes);
2605 // ----------------------------------------------------------------------------
2606 // generate the charts
2608 static void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
2611 int newly_added = 0;
2613 for(w = root ; w ; w = w->next) {
2614 if (w->target) continue;
2616 if (!w->exposed && w->processes) {
2619 if (debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name);
2623 // nothing more to show
2624 if(!newly_added && show_guest_time == show_guest_time_old) return;
2626 // we have something new to show
2627 // update the charts
2628 fprintf(stdout, "CHART %s.cpu '' '%s CPU Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu stacked 20001 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
2629 for (w = root; w ; w = w->next) {
2630 if(unlikely(w->exposed))
2631 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu %s\n", w->name, hz * RATES_DETAIL / 100, w->hidden ? "hidden" : "");
2634 fprintf(stdout, "CHART %s.mem '' '%s Real Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every);
2635 for (w = root; w ; w = w->next) {
2636 if(unlikely(w->exposed))
2637 fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
2640 fprintf(stdout, "CHART %s.vmem '' '%s Virtual Memory Size' 'MB' mem %s.vmem stacked 20004 %d\n", type, title, type, update_every);
2641 for (w = root; w ; w = w->next) {
2642 if(unlikely(w->exposed))
2643 fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
2646 fprintf(stdout, "CHART %s.threads '' '%s Threads' 'threads' processes %s.threads stacked 20005 %d\n", type, title, type, update_every);
2647 for (w = root; w ; w = w->next) {
2648 if(unlikely(w->exposed))
2649 fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
2652 fprintf(stdout, "CHART %s.processes '' '%s Processes' 'processes' processes %s.processes stacked 20004 %d\n", type, title, type, update_every);
2653 for (w = root; w ; w = w->next) {
2654 if(unlikely(w->exposed))
2655 fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
2658 fprintf(stdout, "CHART %s.cpu_user '' '%s CPU User Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_user stacked 20020 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
2659 for (w = root; w ; w = w->next) {
2660 if(unlikely(w->exposed))
2661 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
2664 fprintf(stdout, "CHART %s.cpu_system '' '%s CPU System Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20021 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
2665 for (w = root; w ; w = w->next) {
2666 if(unlikely(w->exposed))
2667 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
2670 if(show_guest_time) {
2671 fprintf(stdout, "CHART %s.cpu_guest '' '%s CPU Guest Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20022 %d\n", type, title, (processors * 100), processors, (processors > 1) ? "s" : "", type, update_every);
2672 for (w = root; w; w = w->next) {
2673 if(unlikely(w->exposed))
2674 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
2678 fprintf(stdout, "CHART %s.major_faults '' '%s Major Page Faults (swap read)' 'page faults/s' swap %s.major_faults stacked 20010 %d\n", type, title, type, update_every);
2679 for (w = root; w ; w = w->next) {
2680 if(unlikely(w->exposed))
2681 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
2684 fprintf(stdout, "CHART %s.minor_faults '' '%s Minor Page Faults' 'page faults/s' mem %s.minor_faults stacked 20011 %d\n", type, title, type, update_every);
2685 for (w = root; w ; w = w->next) {
2686 if(unlikely(w->exposed))
2687 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
2690 fprintf(stdout, "CHART %s.lreads '' '%s Disk Logical Reads' 'kilobytes/s' disk %s.lreads stacked 20042 %d\n", type, title, type, update_every);
2691 for (w = root; w ; w = w->next) {
2692 if(unlikely(w->exposed))
2693 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
2696 fprintf(stdout, "CHART %s.lwrites '' '%s I/O Logical Writes' 'kilobytes/s' disk %s.lwrites stacked 20042 %d\n", type, title, type, update_every);
2697 for (w = root; w ; w = w->next) {
2698 if(unlikely(w->exposed))
2699 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
2702 fprintf(stdout, "CHART %s.preads '' '%s Disk Reads' 'kilobytes/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every);
2703 for (w = root; w ; w = w->next) {
2704 if(unlikely(w->exposed))
2705 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
2708 fprintf(stdout, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every);
2709 for (w = root; w ; w = w->next) {
2710 if(unlikely(w->exposed))
2711 fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
2714 if(enable_file_charts) {
2715 fprintf(stdout, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type,
2716 title, type, update_every);
2717 for (w = root; w; w = w->next) {
2718 if (unlikely(w->exposed))
2719 fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
2722 fprintf(stdout, "CHART %s.sockets '' '%s Open Sockets' 'open sockets' net %s.sockets stacked 20051 %d\n",
2723 type, title, type, update_every);
2724 for (w = root; w; w = w->next) {
2725 if (unlikely(w->exposed))
2726 fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
2729 fprintf(stdout, "CHART %s.pipes '' '%s Pipes' 'open pipes' processes %s.pipes stacked 20053 %d\n", type,
2730 title, type, update_every);
2731 for (w = root; w; w = w->next) {
2732 if (unlikely(w->exposed))
2733 fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
2739 // ----------------------------------------------------------------------------
2740 // parse command line arguments
2742 static void parse_args(int argc, char **argv)
2747 for(i = 1; i < argc; i++) {
2749 int n = (int)str2l(argv[i]);
2756 if(strcmp("version", argv[i]) == 0 || strcmp("-v", argv[i]) == 0) {
2757 printf("apps.plugin %s\n", VERSION);
2761 if(strcmp("debug", argv[i]) == 0) {
2763 // debug_flags = 0xffffffff;
2767 if(strcmp("no-childs", argv[i]) == 0 || strcmp("without-childs", argv[i]) == 0) {
2768 include_exited_childs = 0;
2772 if(strcmp("with-childs", argv[i]) == 0) {
2773 include_exited_childs = 1;
2777 if(strcmp("with-guest", argv[i]) == 0) {
2778 enable_guest_charts = 1;
2782 if(strcmp("no-guest", argv[i]) == 0 || strcmp("without-guest", argv[i]) == 0) {
2783 enable_guest_charts = 0;
2787 if(strcmp("with-files", argv[i]) == 0) {
2788 enable_file_charts = 1;
2792 if(strcmp("no-files", argv[i]) == 0 || strcmp("without-files", argv[i]) == 0) {
2793 enable_file_charts = 0;
2797 if(strcmp("no-users", argv[i]) == 0 || strcmp("without-users", argv[i]) == 0) {
2798 enable_users_charts = 0;
2802 if(strcmp("no-groups", argv[i]) == 0 || strcmp("without-groups", argv[i]) == 0) {
2803 enable_groups_charts = 0;
2807 if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
2810 " netdata apps.plugin %s\n"
2811 " Copyright (C) 2016-2017 Costa Tsaousis <costa@tsaousis.gr>\n"
2812 " Released under GNU Public License v3 or later.\n"
2813 " All rights reserved.\n"
2815 " This program is a data collector plugin for netdata.\n"
2817 " Valid command line options:\n"
2819 " SECONDS set the data collection frequency\n"
2821 " debug enable debugging (lot of output)\n"
2824 " without-childs enable / disable aggregating exited\n"
2825 " children resources into parents\n"
2826 " (default is enabled)\n"
2829 " without-guest enable / disable reporting guest charts\n"
2830 " (default is disabled)\n"
2833 " without-files enable / disable reporting files, sockets, pipes\n"
2834 " (default is enabled)\n"
2836 " NAME read apps_NAME.conf instead of\n"
2837 " apps_groups.conf\n"
2838 " (default NAME=groups)\n"
2840 " version print program version and exit\n"
2852 error("Cannot understand option %s", argv[i]);
2856 if(freq > 0) update_every = freq;
2857 if(!name) name = "groups";
2859 if(read_apps_groups_conf(name)) {
2860 error("Cannot read process groups '%s/apps_%s.conf'. There are no internal defaults. Failing.", config_dir, name);
2865 int main(int argc, char **argv)
2867 // debug_flags = D_PROCFILE;
2869 // set the name for logging
2870 program_name = "apps.plugin";
2872 info("started on pid %d", getpid());
2874 // disable syslog for apps.plugin
2875 error_log_syslog = 0;
2877 // set errors flood protection to 100 logs per hour
2878 error_log_errors_per_period = 100;
2879 error_log_throttle_period = 3600;
2881 global_host_prefix = getenv("NETDATA_HOST_PREFIX");
2882 if(global_host_prefix == NULL) {
2883 // info("NETDATA_HOST_PREFIX is not passed from netdata");
2884 global_host_prefix = "";
2886 // else info("Found NETDATA_HOST_PREFIX='%s'", global_host_prefix);
2888 config_dir = getenv("NETDATA_CONFIG_DIR");
2889 if(config_dir == NULL) {
2890 // info("NETDATA_CONFIG_DIR is not passed from netdata");
2891 config_dir = CONFIG_DIR;
2893 // else info("Found NETDATA_CONFIG_DIR='%s'", config_dir);
2895 #ifdef NETDATA_INTERNAL_CHECKS
2896 if(debug_flags != 0) {
2897 struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
2898 if(setrlimit(RLIMIT_CORE, &rl) != 0)
2899 info("Cannot request unlimited core dumps for debugging... Proceeding anyway...");
2900 prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
2902 #endif /* NETDATA_INTERNAL_CHECKS */
2904 procfile_adaptive_initial_allocation = 1;
2906 time_t started_t = now_realtime_sec();
2908 get_system_pid_max();
2911 parse_args(argc, argv);
2913 all_pids_sortlist = callocz(sizeof(pid_t), (size_t)pid_max);
2914 all_pids = callocz(sizeof(struct pid_stat *), (size_t) pid_max);
2917 "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %1$d\n"
2918 "DIMENSION user '' incremental 1 1000\n"
2919 "DIMENSION system '' incremental 1 1000\n"
2920 "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %1$d\n"
2921 "DIMENSION files '' incremental 1 1\n"
2922 "DIMENSION pids '' absolute 1 1\n"
2923 "DIMENSION fds '' absolute 1 1\n"
2924 "DIMENSION targets '' absolute 1 1\n"
2925 "CHART netdata.apps_fix '' 'Apps Plugin Normalization Ratios' 'percentage' apps.plugin netdata.apps_fix line 140002 %1$d\n"
2926 "DIMENSION utime '' absolute 1 %2$llu\n"
2927 "DIMENSION stime '' absolute 1 %2$llu\n"
2928 "DIMENSION gtime '' absolute 1 %2$llu\n"
2929 "DIMENSION minflt '' absolute 1 %2$llu\n"
2930 "DIMENSION majflt '' absolute 1 %2$llu\n"
2935 if(include_exited_childs)
2937 "CHART netdata.apps_children_fix '' 'Apps Plugin Exited Children Normalization Ratios' 'percentage' apps.plugin netdata.apps_children_fix line 140003 %1$d\n"
2938 "DIMENSION cutime '' absolute 1 %2$llu\n"
2939 "DIMENSION cstime '' absolute 1 %2$llu\n"
2940 "DIMENSION cgtime '' absolute 1 %2$llu\n"
2941 "DIMENSION cminflt '' absolute 1 %2$llu\n"
2942 "DIMENSION cmajflt '' absolute 1 %2$llu\n"
2947 usec_t step = update_every * USEC_PER_SEC;
2948 global_iterations_counter = 1;
2949 for(;1; global_iterations_counter++) {
2950 usec_t now = now_realtime_usec();
2951 usec_t next = now - (now % step) + step;
2953 #ifdef NETDATA_PROFILING
2954 #warning "compiling for profiling"
2955 static int profiling_count=0;
2957 if(unlikely(profiling_count > 1000)) exit(0);
2960 sleep_usec(next - now);
2961 now = now_realtime_usec();
2965 if(!collect_data_for_all_processes_from_proc()) {
2966 error("Cannot collect /proc data for running processes. Disabling apps.plugin...");
2967 printf("DISABLE\n");
2971 calculate_netdata_statistics();
2972 normalize_data(apps_groups_root_target);
2974 usec_t dt = send_resource_usage_to_netdata();
2976 // this is smart enough to show only newly added apps, when needed
2977 send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps");
2979 if(likely(enable_users_charts))
2980 send_charts_updates_to_netdata(users_root_target, "users", "Users");
2982 if(likely(enable_groups_charts))
2983 send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups");
2985 send_collected_data_to_netdata(apps_groups_root_target, "apps", dt);
2987 if(likely(enable_users_charts))
2988 send_collected_data_to_netdata(users_root_target, "users", dt);
2990 if(likely(enable_groups_charts))
2991 send_collected_data_to_netdata(groups_root_target, "groups", dt);
2995 show_guest_time_old = show_guest_time;
2998 fprintf(stderr, "apps.plugin: done Loop No %llu\n", global_iterations_counter);
3000 time_t current_t = now_realtime_sec();
3002 // restart check (14400 seconds)
3003 if(current_t - started_t > 14400) exit(0);